/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.flowable.eventregistry.api;

import java.util.Collection;

import org.flowable.eventregistry.model.InboundChannelModel;

public interface InboundChannelModelCacheManager {

    ChannelRegistration registerChannelModel(InboundChannelModel channelModel, ChannelDefinition channelDefinition);
    
    void unregisterChannelModel(InboundChannelModel channelModel, ChannelDefinition channelDefinition);
    
    void cleanChannelModels();

    RegisteredChannel findRegisteredChannel(ChannelDefinition channelDefinition);

    Collection<RegisteredChannel> getRegisteredChannels();

    interface RegisteredChannel {

        int getChannelDefinitionVersion();

        String getChannelDefinitionId();
    }

    interface ChannelRegistration {

        boolean registered();

        RegisteredChannel previousChannel();

        void rollback();
    }
}
